814539427 has 16 divisors (see below), whose sum is σ = 895829760. Its totient is φ = 736020000.

The previous prime is 814539419. The next prime is 814539487. The reversal of 814539427 is 724935418.

It is a cyclic number.

It is not a de Polignac number, because 814539427 - 2³ = 814539419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (814539487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190402 + ... + 194632.

It is an arithmetic number, because the mean of its divisors is an integer number (55989360).

Almost surely, 2^814539427 is an apocalyptic number.

814539427 is a deficient number, since it is larger than the sum of its proper divisors (81290333).

814539427 is a wasteful number, since it uses less digits than its factorization.

814539427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554.

The product of its digits is 241920, while the sum is 43.

The square root of 814539427 is about 28540.1371230063. The cubic root of 814539427 is about 933.9078737043.

The spelling of 814539427 in words is "eight hundred fourteen million, five hundred thirty-nine thousand, four hundred twenty-seven".